Putter



FIG. 1 is a toe side perspective view of a new putter having concave surfaces;

FIG. 2 is a back view thereof;

FIG. 3 is a cross-sectional of the putter of FIG. 2 taken along line 3—3 thereof illustrating a concave surface;

FIG. 4 is a toe side perspective view of another embodiment of the putter having concave surfaces being red; and,

FIG. 5 is a back view of the embodiment of FIG. 4.

The portion of the club head shown in phantom is for illustrative purposes only and does not form any portion of the claimed design. The vertical lines on the concave surfaces on the putter indicate the color red. 

The ornamental design for a putter, as shown and described. 